/*
 * Copyright 2009 Brian Mackay brianwmackay@msn.com
 *   All Rights Reserved. See end of file
 */
package com.bmackay.vonsteuben.examples.distance;

import java.io.IOException;
import java.util.Iterator;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.MapReduceBase;
import org.apache.hadoop.mapred.OutputCollector;
import org.apache.hadoop.mapred.Reducer;
import org.apache.hadoop.mapred.Reporter;

public class TableDistanceReducer extends MapReduceBase implements
        Reducer<Text, Text, Text, Text> {

    @Override
    public void reduce(Text key, Iterator<Text> values,
            OutputCollector<Text, Text> output, Reporter reporter) throws IOException {

        String myKey = key.toString();
        
        while (values.hasNext()) {
            String value = values.next().toString();
            output.collect(new Text(myKey), new Text(value));
        }
    }

    @Override
    public void configure(JobConf conf) {
        super.configure(conf);
    }
}
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

